<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <canvas id="box" width="1000" height="500"></canvas>
</body>
<style>
    *{
        margin: 0;
        padding: 0;
        list-style: none;
    }
    body{
        display: flex;
        place-items: center;
    }
    #box{
        border: 1px solid red;
        margin-top: 36px;
        background: skyblue;
    }
</style>
<script>
    const box = document.querySelector('#box')
    const context = box.getContext('2d');
    context.beginPath();
    context.arc(400,240,200, Math.PI / 180 * 0, Math.PI / 180 * 360, false);
    context.stroke()
    context.beginPath();
    context.arc(300,180,40, Math.PI / 180 * 0, Math.PI / 180 * 360, true);
    context.stroke()
    context.beginPath();
    context.arc(500,180,40, Math.PI / 180 * 0, Math.PI / 180 * 360, true);
    context.stroke()
    context.beginPath();
    context.arc(400,320,60, Math.PI / 180 * 0, Math.PI / 180 * 180, false );
    context.stroke()
    // context.context.arc(x, y, radius, Math.PI / 180 * startAngle, Math.PI / 180 * endAngle, anticlockwise);    

    context.font='30px sans-serif';
    context.fillText('李俊禄', 360,30);
    
</script>
</html>